tcl/target/esp32s3.cfg

   1 # SPDX-License-Identifier: GPL-2.0-or-later
   2 #
   3 # The ESP32-S3 only supports JTAG.
   4 transport select jtag
   5
   6 set CPU_MAX_ADDRESS 0xFFFFFFFF
   7 source [find bitsbytes.tcl]
   8 source [find memory.tcl]
   9 source [find mmr_helpers.tcl]
  10
  11 if { [info exists CHIPNAME] } {
  12         set _CHIPNAME $CHIPNAME
  13 } else {
  14         set _CHIPNAME esp32s3
  15 }
  16
  17 if { [info exists CPUTAPID] } {
  18         set _CPUTAPID $CPUTAPID
  19 } else {
  20         set _CPUTAPID 0x120034e5
  21 }
  22
  23 if { [info exists ESP32_S3_ONLYCPU] } {
  24         set _ONLYCPU $ESP32_S3_ONLYCPU
  25 } else {
  26         set _ONLYCPU 2
  27 }
  28
  29 set _CPU0NAME cpu0
  30 set _CPU1NAME cpu1
  31 set _TARGETNAME_0 $_CHIPNAME.$_CPU0NAME
  32 set _TARGETNAME_1 $_CHIPNAME.$_CPU1NAME
  33
  34 jtag newtap $_CHIPNAME $_CPU0NAME -irlen 5 -expected-id $_CPUTAPID
  35 if { $_ONLYCPU != 1 } {
  36         jtag newtap $_CHIPNAME $_CPU1NAME -irlen 5 -expected-id $_CPUTAPID
  37 } else {
  38         jtag newtap $_CHIPNAME $_CPU1NAME -irlen 5 -disable -expected-id $_CPUTAPID
  39 }
  40
  41 proc esp32s3_memprot_is_enabled { } {
  42         # TODO: after https://review.openocd.org/c/openocd/+/7016 merged
  43         return 0
  44 }
  45
  46 # PRO-CPU
  47 target create $_TARGETNAME_0 $_CHIPNAME -endian little -chain-position $_TARGETNAME_0 -coreid 0
  48 # APP-CPU
  49 if { $_ONLYCPU != 1 } {
  50         target create $_TARGETNAME_1 $_CHIPNAME -endian little -chain-position $_TARGETNAME_1 -coreid 1
  51         target smp $_TARGETNAME_0 $_TARGETNAME_1
  52 }
  53
  54 $_TARGETNAME_0 xtensa maskisr on
  55 $_TARGETNAME_0 xtensa smpbreak BreakIn BreakOut
  56
  57 $_TARGETNAME_0 configure -event gdb-attach {
  58         $_TARGETNAME_0 xtensa smpbreak BreakIn BreakOut
  59         # necessary to auto-probe flash bank when GDB is connected
  60         halt 1000
  61         if { [esp32s3_memprot_is_enabled] } {
  62                 # 'reset halt' to disable memory protection and allow flasher to work correctly
  63                 echo "Memory protection is enabled. Reset target to disable it..."
  64                 reset halt
  65     }
  66 }
  67 $_TARGETNAME_0 configure -event reset-assert-post { soft_reset_halt }
  68
  69 if { $_ONLYCPU != 1 } {
  70         $_TARGETNAME_1 configure -event gdb-attach {
  71                 $_TARGETNAME_1 xtensa smpbreak BreakIn BreakOut
  72                 # necessary to auto-probe flash bank when GDB is connected
  73                 halt 1000
  74                 if { [esp32s3_memprot_is_enabled] } {
  75                         # 'reset halt' to disable memory protection and allow flasher to work correctly
  76                         echo "Memory protection is enabled. Reset target to disable it..."
  77                         reset halt
  78                 }
  79         }
  80         $_TARGETNAME_1 configure -event reset-assert-post { soft_reset_halt }
  81 }
  82
  83 gdb_breakpoint_override hard